../ dmsp_15_ephemeris_20150331.txt 22-Jun-2023 00:27 108168 dmsp_16_ephemeris_20150331.txt 22-Jun-2023 00:27 108101 dmsp_17_ephemeris_20150331.txt 22-Jun-2023 00:27 108173 dmsp_18_ephemeris_20150331.txt 22-Jun-2023 00:27 108202 dmsp_19_ephemeris_20150331.txt 22-Jun-2023 00:27 108341